Black Tea and Health
In September, we looked at a published review of tea research conducted at Kings College in the UK. Of the numerous studies examined we selected hydration and caffeine as it relates to tea consumption. Those findings revealed that tea hydrates the body as effectively as water with added benefits despite the popular misconception that the caffeine content in tea is dehydrating.
To set the stage, reviewers took an in-depth look at epidemiological and clinical studies relevant to tea from 1990 - 2004; the various research methodologies utilized in the studies and the way in which the results were reported. The review's objective was to determine if consuming black tea has a positive or negative impact on health. Based on that, a strict criteria was created excluding vague studies making the review's results relevant. Important to note is the review's title "Black Tea - Harmful or Helpful?"
Here are some basic black tea facts - black teas;
Reviewers determined that the beneficial properties in green teas, primarily EGCG polyphenols, are easier to identify than the flavonoid polyphenols in black teas, thearubigins and theaflavins. Polyphenols are components of the tea plant and the primary source of the health benefits in tea. Polyphenols undergo changes during the processing of the leaves. These changes result in the difference between black and green teas polyphenols and subsequent benefits.
The review concluded;
The always controversial question, "does adding milk to your tea reduce the benefits?" was also part of the review. After examining four separate studies, reviewers concluded that the addition of milk in your tea is unlikely to reduce the antioxidant benefits, despite milks binding effects to flavonoids.
This review makes it clear that tea is good for your health and that black teas complex flavonoid polyohenols can play an important role in daily antioxidant consumption and disease prevention. While green teas continue to steal the "health limelight," black teas belong center stage right along side them. I am a firm believer in drinking the type of tea you like. If that's black tea, you haven't been left behind in the rush to achieve a healthy lifestyle, black tea is good for you too!
© 2007 Teas Etc., Inc
ABOUT THE AUTHOR
Beth Johnston, a tea importer and noted tea expert, publishes an informative monthly newsletter on tea, tea history, health and lifestyle enhancements. To learn more about the world of tea, join her free newsletter at http://www.TeasEtc.com/Newsletter.asp or visit http://www.TeasEtc.com.
This article, including the copyright and "About the Author" section, may be freely reprinted online in its complete and unaltered form provided you send a copy or link of the reprint to us.
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